All whom it may concern



ggfiitrh tattle}:- gaunt @ffh REUBEN TYLER AND PETEE' AMPEELL, JE, 0E DIANA, NEW YORK. Letters Patent No. 71,667, dated December 3, 1867.

IMPROVED COMPOSITION FOR ROOFING.

TO\ ALL WHOM IT MAY CONCERN Beit known that we, PETER CAMPBELL, Jr.,and REUBEN TYLER, of Diana', in the county of Lewis,.and State of New York, have invented a. new and improved Mode of Roofing Buildings, new and old The nature of this invention consists of a, composition of marl and coal or gas-tar with-a. small addition of pulverized marble applied to wood or felting.

What we claim as our invention, and desire to secure by Letters Patent, is- The composition of coal or'gas-tar with marl and a small quantity of pulverized marble, which will h'arden and make a goodwater-proof or fire-proof roof for building purposes. l REUBEN TYLER, v

PETER CAMPBELL,.JR.

Witnesses: v

NATHANIEL REED O ELEY, P TER GAMBELL. 

